The Iomega Ego 1TB USB 2.0 Desktop Hard Drive is a high-quality external hard drive designed for use with PCs and Macs. With a rotation speed of 7200 RPM and a cache size of 8 MB, this desktop external HDD offers fast data transfer rates and efficient performance. The Iomega brand is known for reliability. With a storage capacity of 1TB, this HDD provides ample space for storing large amounts of data and files. This drive has been fully formatted and tested. The drive is sold as is no warranties apply. No returns or refunds.